/*
 * Copyright 2009-2009 Tanesha Project. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 *    1. Redistributions of source code must retain the above copyright notice, 
 *    	 this list of conditions and the following disclaimer.
 *    2. Redistributions in binary form must reproduce the above copyright notice,
 *    	 this list of conditions and the following disclaimer in the documentation 
 *    	 and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT ``AS IS'' AND ANY EXPRESS OR 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
 * SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 *  OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * The views and conclusions contained in the software and documentation are those 
 * of the authors and should not be interpreted as representing official policies, 
 * either expressed or implied, of the Tanesha Project.
 */
package com.google.api.chart;

public final class AxisStyleMaker {
	
	public static AxisStyleMaker style() {
		return new AxisStyleMaker();
	}

	private int alignment = -1;
	private int size = -1;
	private ColorMaker color = ColorMaker.EMPTY;
	private ColorMaker tickmarkColor = null;
	private String drawingControl = "";
	
	private int paramLevel = 0;
	
	private AxisStyleMaker() {
	}
	
	private void updateParamLevel(int newLevel) {
		if (newLevel > paramLevel)
			paramLevel = newLevel;
	}
	
	@Override
	public String toString() {
		String r = color.toString();
		if (paramLevel >= 1)
			r += "," + size;
		if (paramLevel >= 2)
			r += "," + alignment;
		if (paramLevel >= 3)
			r += "," + drawingControl;
		if (paramLevel >= 4)
			r += "," + tickmarkColor.toString();
		return r;
	}
	
	public AxisStyleMaker color(ColorMaker color) {
		this.color = color;
		return this;
	}
	
	public AxisStyleMaker fontSize(int size) {
		this.size = size;
		updateParamLevel(1);
		return this;
	}
	
	public AxisStyleMaker alignLeft() {
		this.alignment = -1;
		updateParamLevel(2);
		return this;
	}

	public AxisStyleMaker alignCenter() {
		this.alignment = 0;
		updateParamLevel(2);
		return this;
	}

	public AxisStyleMaker alignRight() {
		this.alignment = 1;
		updateParamLevel(2);
		return this;
	}

	public AxisStyleMaker tickmarkColor(ColorMaker color) {
		this.tickmarkColor  = color;
		updateParamLevel(4);
		return this;
	}
	
	public AxisStyleMaker drawLinesOnly() {
		this.drawingControl = "l";
		updateParamLevel(3);
		return this;
	}

	public AxisStyleMaker drawTickmarksOnly() {
		this.drawingControl = "t";
		updateParamLevel(3);
		return this;
	}

	public AxisStyleMaker drawBoth() {
		this.drawingControl = "lt";
		updateParamLevel(3);
		return this;
	}
}
